From 36e11152b162e57bf3ce7e17b364f6eefd90e638 Mon Sep 17 00:00:00 2001
From: Thorsten Liebig <thorsten.liebig@gmx.de>
Date: Wed, 24 Mar 2010 21:27:48 +0100
Subject: [PATCH] new matlab examples

---
 matlab/examples/Coax.m      | 95 +++++++++++++++++++++++++++++++++++++
 matlab/examples/MSL.m       | 90 +++++++++++++++++++++++++++++++++++
 matlab/examples/PlaneWave.m | 74 +++++++++++++++++++++++++++++
 3 files changed, 259 insertions(+)
 create mode 100644 matlab/examples/Coax.m
 create mode 100644 matlab/examples/MSL.m
 create mode 100644 matlab/examples/PlaneWave.m

diff --git a/matlab/examples/Coax.m b/matlab/examples/Coax.m
new file mode 100644
index 0000000..43b8629
--- /dev/null
+++ b/matlab/examples/Coax.m
@@ -0,0 +1,95 @@
+close all;
+clear all;
+clc
+
+abs_length = 250;
+length = 1000;
+coax_rad_i  = 100;
+coax_rad_ai = 230;
+coax_rad_aa = 240;
+mesh_res = [5 5 5];
+
+EPS0 = 8.85418781762e-12;
+MUE0 = 1.256637062e-6;
+
+openEMS_Path = [pwd() '/../../']
+openEMS_opts = '';
+% openEMS_opts = [openEMS_opts ' --disable-dumps'];
+% openEMS_opts = [openEMS_opts ' --debug-material'];
+
+Sim_Path = 'tmp';
+Sim_CSX = 'coax.xml';
+
+mkdir(Sim_Path);
+
+%setup FDTD parameter
+FDTD = InitFDTD(5e5,1e-6);
+FDTD = SetGaussExcite(FDTD,0.5e9,0.5e9);
+BC = [1 1 1 1 1 1] * 0;
+FDTD = SetBoundaryCond(FDTD,BC);
+
+%setup CSXCAD geometry
+CSX = InitCSX();
+mesh.x = -2.5*mesh_res(1)-coax_rad_aa : mesh_res(1) : coax_rad_aa+2.5*mesh_res(1);
+mesh.y = mesh.x;
+mesh.z = 0 : mesh_res(3) : length;
+CSX = DefineRectGrid(CSX, 1e-3,mesh);
+
+%create copper helix and feed lines...
+CSX = AddMaterial(CSX,'copper');
+CSX = SetMaterialProperty(CSX,'copper','Kappa',56e6);
+
+%%%fake pml
+finalKappa = 0.3/abs_length^4;
+finalSigma = finalKappa*MUE0/EPS0;
+CSX = AddMaterial(CSX,'pml');
+CSX = SetMaterialProperty(CSX,'pml','Kappa',finalKappa);
+CSX = SetMaterialProperty(CSX,'pml','Sigma',finalSigma);
+CSX = SetMaterialWeight(CSX,'pml','Kappa',['pow(abs(z)-' num2str(length-abs_length) ',4)']);
+CSX = SetMaterialWeight(CSX,'pml','Sigma',['pow(abs(z)-' num2str(length-abs_length) ',4)']);
+
+%%% coax
+start = [0, 0 , 0];stop = [0, 0 , length];
+CSX = AddCylinder(CSX,'copper',0 ,start,stop,coax_rad_i);
+CSX = AddCylindricalShell(CSX,'copper',0 ,start,stop,0.5*(coax_rad_aa+coax_rad_ai),(coax_rad_aa-coax_rad_ai));
+start(3) = length-abs_length;
+CSX = AddCylindricalShell(CSX,'pml',0 ,start,stop,0.5*(coax_rad_i+coax_rad_ai),(coax_rad_ai-coax_rad_i));
+start(3) = 0; stop(3)=mesh_res(1)/2;
+CSX = AddExcitation(CSX,'excite',0,[1 1 0]);
+weight{1} = '(x)/(x*x+y*y)';
+weight{2} = 'y/pow(rho,2)';
+weight{3} = 0;
+CSX = SetExcitationWeight(CSX, 'excite', weight );
+CSX = AddCylindricalShell(CSX,'excite',0 ,start,stop,0.5*(coax_rad_i+coax_rad_ai),(coax_rad_ai-coax_rad_i));
+ 
+%dump
+CSX = AddDump(CSX,'Et_',0,2);
+start = [mesh.x(1) , 0 , mesh.z(1)];
+stop = [mesh.x(end) , 0 , mesh.z(end)];
+CSX = AddBox(CSX,'Et_',0 , start,stop);
+
+CSX = AddDump(CSX,'Ht_',1,2);
+CSX = AddBox(CSX,'Ht_',0,start,stop);
+
+%voltage calc
+CSX = AddProbe(CSX,'ut1',0);
+start = [ coax_rad_i 0 length/2 ];stop = [ coax_rad_ai 0 length/2 ];
+CSX = AddBox(CSX,'ut1', 0 ,start,stop);
+
+%current calc
+CSX = AddProbe(CSX,'it1',1);
+mid = 0.5*(coax_rad_i+coax_rad_ai);
+start = [ -mid -mid length/2 ];stop = [ mid mid length/2 ];
+CSX = AddBox(CSX,'it1', 0 ,start,stop);
+
+%Write openEMS compatoble xml-file
+WriteOpenEMS([Sim_Path '/' Sim_CSX],FDTD,CSX);
+
+%cd to working dir and run openEMS
+savePath = pwd();
+cd(Sim_Path); %cd to working dir
+command = [openEMS_Path 'openEMS.sh ' Sim_CSX ' ' openEMS_opts];
+disp(command);
+system(command)
+cd(savePath);
+
diff --git a/matlab/examples/MSL.m b/matlab/examples/MSL.m
new file mode 100644
index 0000000..754b105
--- /dev/null
+++ b/matlab/examples/MSL.m
@@ -0,0 +1,90 @@
+close all;
+clear all;
+clc
+
+abs_length = 250;
+length = 1000;
+width = 500;
+height = 250;
+MSL_width = 50;
+MSL_height = 10;
+mesh_res = [5 5 10];
+
+EPS0 = 8.85418781762e-12;
+MUE0 = 1.256637062e-6;
+
+openEMS_Path = [pwd() '/../../']
+openEMS_opts = '';
+% openEMS_opts = [openEMS_opts ' --disable-dumps'];
+openEMS_opts = [openEMS_opts ' --debug-material'];
+
+Sim_Path = 'tmp';
+Sim_CSX = 'msl.xml';
+
+mkdir(Sim_Path);
+
+%setup FDTD parameter
+FDTD = InitFDTD(5e5,1e-6);
+FDTD = SetGaussExcite(FDTD,0.5e9,0.5e9);
+BC = [1 1 0 1 0 0];
+FDTD = SetBoundaryCond(FDTD,BC);
+
+%setup CSXCAD geometry
+CSX = InitCSX();
+mesh.x = -width/2 : mesh_res(1) : width/2;
+mesh.y = [linspace(0,MSL_height,11) MSL_height+1 MSL_height+3 MSL_height+mesh_res(2):mesh_res(2):height];
+mesh.z = 0 : mesh_res(3) : length;
+CSX = DefineRectGrid(CSX, 1e-3,mesh);
+
+%%% MSL
+CSX = AddMaterial(CSX,'copper');
+CSX = SetMaterialProperty(CSX,'copper','Kappa',56e6);
+start = [-0.5*MSL_width, MSL_height , 0];stop = [0.5*MSL_width, MSL_height+1 , length];
+CSX = AddBox(CSX,'copper',0 ,start,stop);
+
+start = [-0.5*MSL_width, 0 , 0];stop = [0.5*MSL_width, MSL_height , mesh_res(1)/2];
+CSX = AddExcitation(CSX,'excite',0,[0 -1 0]);
+CSX = AddBox(CSX,'excite',0 ,start,stop);
+
+%%%fake pml
+finalKappa = 0.3/abs_length^4;
+finalSigma = finalKappa*MUE0/EPS0;
+CSX = AddMaterial(CSX,'pml');
+CSX = SetMaterialProperty(CSX,'pml','Kappa',finalKappa);
+CSX = SetMaterialProperty(CSX,'pml','Sigma',finalSigma);
+CSX = SetMaterialWeight(CSX,'pml','Kappa',['pow(abs(z)-' num2str(length-abs_length) ',4)']);
+CSX = SetMaterialWeight(CSX,'pml','Sigma',['pow(abs(z)-' num2str(length-abs_length) ',4)']);
+start = [mesh.x(1) mesh.y(1) length-abs_length];
+stop = [mesh.x(end) mesh.y(end) length];
+CSX = AddBox(CSX,'pml',0 ,start,stop);
+ 
+%dump
+CSX = AddDump(CSX,'Et_',0,2);
+start = [mesh.x(1) , MSL_height/2 , mesh.z(1)];
+stop = [mesh.x(end) , MSL_height/2 , mesh.z(end)];
+CSX = AddBox(CSX,'Et_',0 , start,stop);
+
+CSX = AddDump(CSX,'Ht_',1,2);
+CSX = AddBox(CSX,'Ht_',0,start,stop);
+
+%voltage calc
+CSX = AddProbe(CSX,'ut1',0);
+start = [ 0 MSL_height length/2 ];stop = [ 0 0 length/2 ];
+CSX = AddBox(CSX,'ut1', 0 ,start,stop);
+
+%current calc
+CSX = AddProbe(CSX,'it1',1);
+start = [ -MSL_width MSL_height/2 length/2 ];stop = [ MSL_width MSL_height*1.5 length/2 ];
+CSX = AddBox(CSX,'it1', 0 ,start,stop);
+
+%Write openEMS compatoble xml-file
+WriteOpenEMS([Sim_Path '/' Sim_CSX],FDTD,CSX);
+
+%cd to working dir and run openEMS
+savePath = pwd();
+cd(Sim_Path); %cd to working dir
+command = [openEMS_Path 'openEMS.sh ' Sim_CSX ' ' openEMS_opts];
+disp(command);
+system(command)
+cd(savePath);
+
diff --git a/matlab/examples/PlaneWave.m b/matlab/examples/PlaneWave.m
new file mode 100644
index 0000000..25e531e
--- /dev/null
+++ b/matlab/examples/PlaneWave.m
@@ -0,0 +1,74 @@
+close all;
+clear all;
+clc
+
+abs_length = 250;
+length = 4000;
+width = 1000;
+height = 1000;
+mesh_res = 25;
+
+EPS0 = 8.85418781762e-12;
+MUE0 = 1.256637062e-6;
+
+openEMS_Path = [pwd() '/../../']
+openEMS_opts = '';
+% openEMS_opts = [openEMS_opts ' --disable-dumps'];
+% openEMS_opts = [openEMS_opts ' --debug-material'];
+
+Sim_Path = 'tmp';
+Sim_CSX = 'plane_wave.xml';
+
+mkdir(Sim_Path);
+
+%setup FDTD parameter
+FDTD = InitFDTD(5e5,1e-6);
+FDTD = SetGaussExcite(FDTD,0.5e9,0.5e9);
+BC = [1 1 0 0 0 0];
+FDTD = SetBoundaryCond(FDTD,BC);
+
+%setup CSXCAD geometry
+CSX = InitCSX();
+mesh.x = -width/2 : mesh_res : width/2;
+mesh.y = -height/2 : mesh_res : height/2;
+mesh.z = 0 : mesh_res : length;
+CSX = DefineRectGrid(CSX, 1e-3,mesh);
+
+
+%%%fake pml
+finalKappa = 0.3/abs_length^4;
+finalSigma = finalKappa*MUE0/EPS0;
+CSX = AddMaterial(CSX,'pml');
+CSX = SetMaterialProperty(CSX,'pml','Kappa',finalKappa);
+CSX = SetMaterialProperty(CSX,'pml','Sigma',finalSigma);
+CSX = SetMaterialWeight(CSX,'pml','Kappa',['pow(abs(z)-' num2str(length-abs_length) ',4)']);
+CSX = SetMaterialWeight(CSX,'pml','Sigma',['pow(abs(z)-' num2str(length-abs_length) ',4)']);
+start=[-width/2 -height/2 length-abs_length];
+stop=[width/2 height/2 length];
+CSX = AddBox(CSX,'pml',0 ,start,stop);
+
+start=[-width/2 -height/2 0];
+stop=[width/2 height/2 0];
+CSX = AddExcitation(CSX,'excite',0,[0 1 0]);
+CSX = AddBox(CSX,'excite',0 ,start,stop);
+ 
+%dump
+CSX = AddDump(CSX,'Et_',0,0);
+start = [mesh.x(1) , 0 , mesh.z(1)];
+stop = [mesh.x(end) , 0 , mesh.z(end)];
+CSX = AddBox(CSX,'Et_',0 , start,stop);
+
+CSX = AddDump(CSX,'Ht_',1,0);
+CSX = AddBox(CSX,'Ht_',0,start,stop);
+
+%Write openEMS compatoble xml-file
+WriteOpenEMS([Sim_Path '/' Sim_CSX],FDTD,CSX);
+
+%cd to working dir and run openEMS
+savePath = pwd();
+cd(Sim_Path); %cd to working dir
+command = [openEMS_Path 'openEMS.sh ' Sim_CSX ' ' openEMS_opts];
+disp(command);
+system(command)
+cd(savePath);
+